Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Erect 92-ton slabs with derricks
Heavy members for Pennsylvania bridge were delivered on cars and set in place between trains; concrete structure consists of six spans ranging from 22 ft. 3 in. to 35 ft. long end-to-end of slabs with four slabs per span; slabs cast two miles from bridge.
Erect 92-ton slabs with derricks
Heavy members for Pennsylvania bridge were delivered on cars and set in place between trains; concrete structure consists of six spans ranging from 22 ft. 3 in. to 35 ft. long end-to-end of slabs with four slabs per span; slabs cast two miles from bridge.
Erect 92-ton slabs with derricks
Ry. Eng. Maintenance
1928
2 pages
2 Figs.
Aufsatz (Zeitschrift)
Englisch
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